1 static char help[] = "Test MatMultHermitianTranspose() and MatMultHermitianTransposeAdd().\n\n"; 2 3 #include <petscmat.h> 4 5 int main(int argc, char **args) 6 { 7 Mat A, B, C; 8 Vec x, y, ys; 9 PetscInt i, j; 10 PetscScalar v; 11 PetscBool flg; 12 13 PetscFunctionBeginUser; 14 PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 15 PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 16 PetscCall(MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, 2, 2)); 17 PetscCall(MatSetType(A, MATAIJ)); 18 PetscCall(MatSetFromOptions(A)); 19 PetscCall(MatSetUp(A)); 20 21 i = 0; 22 j = 0; 23 v = 2.0; 24 PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 25 i = 0; 26 j = 1; 27 v = 3.0 + 4.0 * PETSC_i; 28 PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 29 i = 1; 30 j = 0; 31 v = 5.0 + 6.0 * PETSC_i; 32 PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 33 i = 1; 34 j = 1; 35 v = 7.0 + 8.0 * PETSC_i; 36 PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 37 PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 38 PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 39 40 /* Create vectors */ 41 PetscCall(VecCreate(PETSC_COMM_WORLD, &y)); 42 PetscCall(VecSetSizes(y, PETSC_DECIDE, 2)); 43 PetscCall(VecSetFromOptions(y)); 44 PetscCall(VecDuplicate(y, &ys)); 45 PetscCall(VecDuplicate(y, &x)); 46 47 i = 0; 48 v = 10.0 + 11.0 * PETSC_i; 49 PetscCall(VecSetValues(x, 1, &i, &v, INSERT_VALUES)); 50 i = 1; 51 v = 100.0 + 120.0 * PETSC_i; 52 PetscCall(VecSetValues(x, 1, &i, &v, INSERT_VALUES)); 53 PetscCall(VecAssemblyBegin(x)); 54 PetscCall(VecAssemblyEnd(x)); 55 56 PetscCall(MatMultHermitianTranspose(A, x, y)); 57 PetscCall(VecView(y, PETSC_VIEWER_STDOUT_WORLD)); 58 PetscCall(MatMultHermitianTransposeAdd(A, x, y, ys)); 59 PetscCall(VecView(ys, PETSC_VIEWER_STDOUT_WORLD)); 60 61 PetscCall(MatHermitianTranspose(A, MAT_INITIAL_MATRIX, &B)); 62 PetscCall(MatCreateHermitianTranspose(A, &C)); 63 PetscCall(MatMultHermitianTransposeEqual(B, C, 4, &flg)); 64 PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "B^Hx != C^Hx"); 65 PetscCall(MatMultHermitianTransposeAddEqual(B, C, 4, &flg)); 66 PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "y+B^Hx != y+C^Hx"); 67 PetscCall(MatDestroy(&C)); 68 PetscCall(MatDestroy(&B)); 69 70 PetscCall(MatDestroy(&A)); 71 72 PetscCall(VecDestroy(&x)); 73 PetscCall(VecDestroy(&y)); 74 PetscCall(VecDestroy(&ys)); 75 PetscCall(PetscFinalize()); 76 return 0; 77 } 78 79 /*TEST 80 81 build: 82 requires: complex 83 test: 84 85 test: 86 suffix: 2 87 nsize: 2 88 89 TEST*/ 90